.nav_box {
    background-color: rgba(238, 238, 238, 1);
    width: 120px;
    height: 100%;
}

.nav_content {
    width: 100%;
    height: 238px;
    margin-top: 15px;
}

.mb-2 {
    width: 100%;
    height: 50px;
    line-height: 50px;
    border-right: 1px solid #ddd;
}

.thumbnail_11 {
    width: 16px;
    height: 15px;
    margin-left: 10px;
    margin-top: 2px;
}

.text_15 {
    width: 28px;
    height: 19px;
    overflow-wrap: break-word;
    color: rgba(51, 51, 51, 1);
    font-size: 18px;
    font-family: MicrosoftYaHei;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 19px;
    margin-left: 12px;
}

.thumbnail_12 {
    width: 10px;
    height: 10px;
    margin: 6px 0 0 39px;
}

.box_7 {
    background-color: rgba(221, 221, 221, 1);
    width: 100%;
    height: 1px;
}

.text_16 {
    width: 80px;
    height: 16px;
    overflow-wrap: break-word;
    color: rgba(102, 102, 102, 1);
    font-size: 14px;
    font-family: MicrosoftYaHei;
    font-weight: normal;
    text-align: center;
    white-space: nowrap;
    line-height: 16px;
}

.box_8 {
    background-color: rgba(221, 221, 221, 1);
    width: 110px;
    height: 1px;
}

.text_17 {
    width: 80px;
    height: 19px;
    overflow-wrap: break-word;
    color: rgba(51, 51, 51, 1);
    font-size: 14px;
    font-family: MicrosoftYaHei;
    font-weight: normal;
    text-align: center;
    white-space: nowrap;
    line-height: 19px;
    display: block;
}